.App-logo {
  display: 'inline-block';
  width  : "80%";
  margin : "10%";
}

.ant-menu {
  font-size: 16px;
}

.app_header {
  background: white;
  padding   : 0px 10px;
  margin    : 0px 10px;
}

@media (prefers-reduced-motion: no-preference) {
  .App-logo {
    animation: App-logo-spin infinite 20s linear;
  }
}

@keyframes App-logo-spin {
  from {
    transform: rotate(0deg);
  }

  to {
    transform: rotate(360deg);
  }
}